Abstract
This paper studies the application of robust model predictive control (MPC) in a constraint process suffering from time-delay uncertainty. The process is described using a transfer function and sampled into a discrete model for computer control design. A polytope is firstly developed to describe the uncertain discrete model due to the process's time-delay uncertainty. Based on the proposed description, a linear matrix inequality (LMI) based MPC algorithm is employed and modified to design a robust controller for such a constraint process. In case studies, the effect of time-delay uncertainty on the control performance of a standard MPC algorithm is investigated, and the proposed description and the modified control algorithm are validated in the temperature control of a typical air-handling unit.
Original language | English |
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Pages (from-to) | 503-511 |
Number of pages | 9 |
Journal | ISA Transactions |
Volume | 48 |
Issue number | 4 |
DOIs | |
Publication status | Published - 1 Oct 2009 |
Keywords
- Air-conditioning system
- Controller design
- Robust model predictive control
- Time-delay uncertainty
ASJC Scopus subject areas
- Instrumentation
- Computer Science Applications
- Electrical and Electronic Engineering
- Applied Mathematics